| 2247916 | Machine for interpreting and printing perforated records | |||
| 2307109 | Record controlled interpreting machine | |||
| 2343398 | Record controlled interpreting machine | |||
| 2359616 | Accounting machine | |||
| 2388354 | Accounting machine | |||
| 2412527 | Addressing machine | |||
| 2540026 | Record conrolled printing machine with checking device to control accumulator entries |